To add a Google Map you’ve created to a Word Press blog posting, first you need to install the XML Google Maps plugin for Word Press.
Then in the plugin’s settings, set URL Display Mode to Map, URL Title without Parameters (title).
You’re now ready to add a Google Map to a Word Press blog posting.
Embedding a Google Map in Word Press
Open up the Google Map you’ve created.
In the upper right, click on the word Link.
Copy the text in the box labeled Paste link in email or IM
Open a new post.
Give the post a title.
In the main text box type in these words: View Larger Map
Select those words and click on the add link button.
Paste into the link box the link you copied from your Google Map.
Click on the Update Post button.
Click on the Preview button to test your map.
The map should open on the page you created in your Word Press blog.
Click on the words View Larger Map to see the full map view at Google Maps.
For more complete instructions, see our tutorial on Embedding Map Mashups.